Shower mixer valve control



FIG. 1 is a perspective view of a shower mixer valve control showing my new design;

FIG. 2 is a perspective view thereof from another angle;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the drawings show portions of the shower mixer valve control that form no part of the claimed design. 

CLAIM The ornamental design for a shower mixer valve control, as shown and described. 